Answer:
C. 9
Step-by-step explanation:
81 = 9 x 9
18 = 9 x 2
so the greatest common factor (GCF) of 81 and 18 : 9
Answer is C. 9
Answer:
about 31 percent
Step-by-step explanation:
Answer:
5/2 =
<u>2.5</u>
Step-by-step explanation:
Answer:
I dont understand the qustion? did you answer it?
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given
See attachment
Required
Determine the measure of 
.
So, we have:

Where:


Substitute these values in the above equation.


Collect Like Terms:

